The Rab Infinity Endurance Jacket offers fantastic warmth for its weight, which makes it ideal for lightweight Alpine winter mountaineers and Ski touring. Filled with 210g (Large) of 850 Fill Power Hydrophobic Goose Down, every effort has been made to ensure that you get the very best level of performance, shedding unnecessary features to keep bulk to a minimum, making the jacket easy to stow your pack and great for use as an integral part of your layering system. A great choice for Kilimanjaro, Elbrus in summer or 6000m Himalayan â€˜trekkingâ€™ peaks.